document the fact that --define symbols are completely case insensitive; closes #7506

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Araq 2018-09-03 12:09:14 +02:00
commit 6261309d1b

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@ -143,6 +143,9 @@ which may be used in conjunction with the `compile time define
pragmas<manual.html#implementation-specific-pragmas-compile-time-define-pragmas>`_ pragmas<manual.html#implementation-specific-pragmas-compile-time-define-pragmas>`_
to override symbols during build time. to override symbols during build time.
Compile time symbols are completely **case insensitive** and underscores are
ignored too. ``--define:FOO`` and ``--define:foo`` are identical.
Configuration files Configuration files
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